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The Use of the Gaussian Curve Fitting Method for Scintigraphic Measurements of the Swallowing Process in Healthy Subjects: Implications for Evaluation of Dysphagia Yu-Hui Huang, MD, Fan-Fei Tseng, MD, Su-Ju Tsai, MD, Chi-Hsuan Lin, MD, PhD, Yu-Hsing Chou, MD, Henry L. Lew, MD, PhD Archives of Physical Medicine and Rehabilitation Volume 87, Issue 11, Pages (November 2006) DOI: /j.apmr Copyright © 2006 The American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions
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Fig 1 Time-activity curve. “Noise”—the inherent variation of radiation counts (see-saw like) on time scale. A and B were the 2 turning points, data between which were fitted with the Gaussian function. The dotted line was the fitted Gaussian curve. Abbreviation: kcpm, kilocounts per minute. Archives of Physical Medicine and Rehabilitation , DOI: ( /j.apmr ) Copyright © 2006 The American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions
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Fig 2 A display created when technetium 99m passed through the oropharynx and upper esophagus. The pharyngeal region was demarcated according to the 2 markers A and B. Archives of Physical Medicine and Rehabilitation , DOI: ( /j.apmr ) Copyright © 2006 The American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions
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